Model 351 flowmeter Regulator is zero-compensated for more efficient shielding gas use. This heavy duty pipeline version of Model 351 is a compact flowmeter Regulator at the price and size of most competitive flowmeters. It is designed to provide accurate and consistent flow despite wide fluctuations in pipeline pressure. This flowmeter features a durable, easy-to-read, flow tube and cover, a gaugeless brass body, large plastic knob for precise adjustments and one-piece encapsulated seat design with internal filter and PTFE Teflon seat to protect it from particulate contamination.
Features
• Economical, compact flowmeter Regulator for pipeline applications
• Zero compensated for more efficient shielding gas use
• Plastic knob for easy grip and precise adjustments
• Brass body and bonnet for longer service life
• One-piece encapsulated seat design with internal filter to protect the PTFE Teflon seat from particulate contamination
• Accurate dual scale (psi/bar) flow tube
• Provides accurate consistent flow despite wide fluctuations in pipeline pressure
• Vertical mounting only
Equipment
| Adjusting Knob | Plastic |
| Body | Brass |
| Bonnet | Brass |
| Certification | CGA E-4 |
| Compensated PSIG | Zero (0) |
| Diaphragm | Neoprene |
| Duty | Heavy |
| Flow Capacity (SCFH) | 10 - 70 |
| Gas / Gas Service | Argon Carbon Dioxide |
| Gauges | Gaugeless |
| Inlet Connection | 5/8 in. - 18 (M) |
| Maximum Inlet Pressure (PSIG) | 200 |
| Outlet Connection | 5/8 in. - 18 (F) |
| Recommended Items/Accessories | Inert Gas Hose 3/16 in. x 10 ft. Single B&B R-grade Black - PN 4300138 |
| Seat | PTFE Teflon® |
| Typical Application | Gas-shielded welding and other pipeline applications |
Warranty
| Warranty | 7 Years |



